ICON PLC

Ticker: ICLR CUSIP: G4705A100 Class: SHS

ALTA CAPITAL MANAGEMENT LLC/'s Holding History (CIK: 0001093589)

Note: Option positions (PUT/CALL) are excluded.

Q4 2024

Shares 1,143 Value ($000) $240 Avg Close $233.52 Range $183.38 - $303.69

Q3 2024

Shares 90,120 Value ($000) $25,893 Avg Close $315.33 Range $269.08 - $347.72

Q2 2024

Shares 87,749 Value ($000) $27,507 Avg Close $313.39 Range $287.02 - $338.98

Q1 2024

Shares 97,373 Value ($000) $32,713 Avg Close $294.81 Range $244.59 - $344.77

Q4 2023

Shares 105,876 Value ($000) $29,970 Avg Close $258.75 Range $221.20 - $288.50

Q3 2023

Shares 108,077 Value ($000) $26,614 Avg Close $252.02 Range $233.81 - $268.07

Q2 2023

Shares 108,561 Value ($000) $27,162 Avg Close $212.31 Range $181.92 - $252.15

Q1 2023

Shares 109,438 Value ($000) $23,375 Avg Close $222.55 Range $190.73 - $247.47

Q4 2022

Shares 113,314 Value ($000) $22,011 Avg Close $198.26 Range $171.43 - $229.84

Q1 2022

Shares 837 Value ($000) $203 Avg Close $250.60 Range $208.13 - $312.28

Q4 2021

Shares 873 Value ($000) $270 Avg Close $279.80 Range $254.34 - $313.00

Q3 2021

Shares 873 Value ($000) $229 Avg Close $243.05 Range $205.10 - $301.72

Q2 2019

Shares 1,547 Value ($000) $238 Avg Close $140.24 Range $128.52 - $154.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	1,143	$240	$233.52	$183.38 - $303.69
Q3 2024	90,120	$25,893	$315.33	$269.08 - $347.72
Q2 2024	87,749	$27,507	$313.39	$287.02 - $338.98
Q1 2024	97,373	$32,713	$294.81	$244.59 - $344.77
Q4 2023	105,876	$29,970	$258.75	$221.20 - $288.50
Q3 2023	108,077	$26,614	$252.02	$233.81 - $268.07
Q2 2023	108,561	$27,162	$212.31	$181.92 - $252.15
Q1 2023	109,438	$23,375	$222.55	$190.73 - $247.47
Q4 2022	113,314	$22,011	$198.26	$171.43 - $229.84
Q1 2022	837	$203	$250.60	$208.13 - $312.28
Q4 2021	873	$270	$279.80	$254.34 - $313.00
Q3 2021	873	$229	$243.05	$205.10 - $301.72
Q2 2019	1,547	$238	$140.24	$128.52 - $154.40